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selector: Introduce gtk_css_selector_previous()

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This commit is contained in:
Benjamin Otte
2012-03-01 17:40:19 +01:00
parent 1b770caf0a
commit ae1cd1b354
2 changed files with 38 additions and 25 deletions
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61
gtk/gtkcssselector.c
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@ -60,6 +60,12 @@ gtk_css_selector_match (const GtkCssSelector *selector,
return selector->class->match (selector, state, path, id);
}
static const GtkCssSelector *
gtk_css_selector_previous (const GtkCssSelector *selector)
{
return selector->previous;
}
/* ANY */
static void
@ -75,7 +81,7 @@ gtk_css_selector_any_match (const GtkCssSelector *selector,
const GtkWidgetPath *path,
guint id)
{
return gtk_css_selector_match (selector->previous, state, path, id);
return gtk_css_selector_match (gtk_css_selector_previous (selector), state, path, id);
}
static const GtkCssSelectorClass GTK_CSS_SELECTOR_ANY = {
@ -102,7 +108,7 @@ gtk_css_selector_descendant_match (const GtkCssSelector *selector,
{
while (id-- > 0)
{
if (gtk_css_selector_match (selector->previous, 0, path, id))
if (gtk_css_selector_match (gtk_css_selector_previous (selector), 0, path, id))
return TRUE;
}
@ -134,7 +140,7 @@ gtk_css_selector_child_match (const GtkCssSelector *selector,
if (id == 0)
return FALSE;
return gtk_css_selector_match (selector->previous, 0, path, id - 1);
return gtk_css_selector_match (gtk_css_selector_previous (selector), 0, path, id - 1);
}
static const GtkCssSelectorClass GTK_CSS_SELECTOR_CHILD = {
@ -164,7 +170,7 @@ gtk_css_selector_name_match (const GtkCssSelector *selector,
if (!g_type_is_a (gtk_widget_path_iter_get_object_type (path, id), type))
return FALSE;
return gtk_css_selector_match (selector->previous, state, path, id);
return gtk_css_selector_match (gtk_css_selector_previous (selector), state, path, id);
}
static const GtkCssSelectorClass GTK_CSS_SELECTOR_NAME = {
@ -189,15 +195,17 @@ gtk_css_selector_region_match (const GtkCssSelector *selector,
const GtkWidgetPath *path,
guint id)
{
const GtkCssSelector *previous;
if (!gtk_widget_path_iter_has_region (path, id, selector->data, NULL))
return FALSE;
if (selector->previous &&
selector->previous->class == &GTK_CSS_SELECTOR_DESCENDANT &&
gtk_css_selector_match (selector->previous->previous, state, path, id))
previous = gtk_css_selector_previous (selector);
if (previous && previous->class == &GTK_CSS_SELECTOR_DESCENDANT &&
gtk_css_selector_match (gtk_css_selector_previous (previous), state, path, id))
return TRUE;
return gtk_css_selector_match (selector->previous, state, path, id);
return gtk_css_selector_match (previous, state, path, id);
}
static const GtkCssSelectorClass GTK_CSS_SELECTOR_REGION = {
@ -226,7 +234,7 @@ gtk_css_selector_class_match (const GtkCssSelector *selector,
if (!gtk_widget_path_iter_has_class (path, id, selector->data))
return FALSE;
return gtk_css_selector_match (selector->previous, state, path, id);
return gtk_css_selector_match (gtk_css_selector_previous (selector), state, path, id);
}
static const GtkCssSelectorClass GTK_CSS_SELECTOR_CLASS = {
@ -255,7 +263,7 @@ gtk_css_selector_id_match (const GtkCssSelector *selector,
if (!gtk_widget_path_iter_has_name (path, id, selector->data))
return FALSE;
return gtk_css_selector_match (selector->previous, state, path, id);
return gtk_css_selector_match (gtk_css_selector_previous (selector), state, path, id);
}
static const GtkCssSelectorClass GTK_CSS_SELECTOR_ID = {
@ -306,7 +314,7 @@ gtk_css_selector_pseudoclass_state_match (const GtkCssSelector *selector,
if (!(GPOINTER_TO_UINT (selector->data) & state))
return FALSE;
return gtk_css_selector_match (selector->previous, state, path, id);
return gtk_css_selector_match (gtk_css_selector_previous (selector), state, path, id);
}
static const GtkCssSelectorClass GTK_CSS_SELECTOR_PSEUDOCLASS_STATE = {
@ -354,9 +362,10 @@ gtk_css_selector_pseudoclass_region_match_for_region (const GtkCssSelector *sele
guint id)
{
GtkRegionFlags selector_flags, path_flags;
const GtkCssSelector *previous;
selector_flags = GPOINTER_TO_UINT (selector->data);
selector = selector->previous;
selector = gtk_css_selector_previous (selector);
if (!gtk_widget_path_iter_has_region (path, id, selector->data, &path_flags))
return FALSE;
@ -364,12 +373,12 @@ gtk_css_selector_pseudoclass_region_match_for_region (const GtkCssSelector *sele
if ((selector_flags & path_flags) != selector_flags)
return FALSE;
if (selector->previous &&
selector->previous->class == &GTK_CSS_SELECTOR_DESCENDANT &&
gtk_css_selector_match (selector->previous->previous, state, path, id))
previous = gtk_css_selector_previous (selector);
if (previous && previous->class == &GTK_CSS_SELECTOR_DESCENDANT &&
gtk_css_selector_match (gtk_css_selector_previous (previous), state, path, id))
return TRUE;
return gtk_css_selector_match (selector->previous, state, path, id);
return gtk_css_selector_match (previous, state, path, id);
}
static gboolean
@ -381,9 +390,10 @@ gtk_css_selector_pseudoclass_region_match (const GtkCssSelector *selector,
GtkRegionFlags region;
const GtkWidgetPath *siblings;
guint sibling_id, n_siblings;
const GtkCssSelector *previous;
if (selector->previous &&
selector->previous->class == &GTK_CSS_SELECTOR_REGION)
previous = gtk_css_selector_previous (selector);
if (previous && previous->class == &GTK_CSS_SELECTOR_REGION)
return gtk_css_selector_pseudoclass_region_match_for_region (selector, state, path, id);
siblings = gtk_widget_path_iter_get_siblings (path, id);
@ -423,7 +433,7 @@ gtk_css_selector_pseudoclass_region_match (const GtkCssSelector *selector,
return FALSE;
}
return gtk_css_selector_match (selector->previous, state, path, id);
return gtk_css_selector_match (previous, state, path, id);
}
static const GtkCssSelectorClass GTK_CSS_SELECTOR_PSEUDOCLASS_REGION = {
@ -709,10 +719,13 @@ void
_gtk_css_selector_print (const GtkCssSelector *selector,
GString * str)
{
const GtkCssSelector *previous;
g_return_if_fail (selector != NULL);
if (selector->previous)
_gtk_css_selector_print (selector->previous, str);
previous = gtk_css_selector_previous (selector);
if (previous)
_gtk_css_selector_print (previous, str);
selector->class->print (selector, str);
}
@ -773,7 +786,7 @@ _gtk_css_selector_get_specificity (const GtkCssSelector *selector,
guint *classes,
guint *elements)
{
for (; selector; selector = selector->previous)
for (; selector; selector = gtk_css_selector_previous (selector))
{
const GtkCssSelectorClass *klass = selector->class;
@ -809,13 +822,13 @@ _gtk_css_selector_compare (const GtkCssSelector *a,
}
GtkStateFlags
_gtk_css_selector_get_state_flags (GtkCssSelector *selector)
_gtk_css_selector_get_state_flags (const GtkCssSelector *selector)
{
GtkStateFlags state = 0;
g_return_val_if_fail (selector != NULL, 0);
for (; selector && selector->class == &GTK_CSS_SELECTOR_NAME; selector = selector->previous)
for (; selector && selector->class == &GTK_CSS_SELECTOR_NAME; selector = gtk_css_selector_previous (selector))
state |= GPOINTER_TO_UINT (selector->data);
return state;